. >> thanks, jon. first, i just want to thank martin and tom for the very gracious comment and i think quite helpful insights about the dodd-frank act. so i might just take 2 minutes or 3 minutes to highlight some issues and then we can open it up on -- or jon can lead us through conversation. on martin's comment, i think i agree with an aspect of martin's comments on resolution authority. if there is -- if there is an error in the dodd-frank act on the mix of crisis tools which undoubtedly it will be. it's in the direction martin indicated, in the direction of being overly constraining of treasury and the fed of the crisis. i don't think the error -- often in the public debate people suggest errors is the other direction. i think martin is correct. if we erred in limiting authorities, not in being -- not to insufficiently tough about them. on tom's comments, i do think there's always this debate in the regulatory structure. it's impossible to escape between rules and discretion. it's a debate that's b